Home / 980,892,252.09-1,469,885,379.08-807,248,432.43

Finding the Fourth Proportional to 980,892,252.09, 1,469,885,379.08 and 807,248,432.43

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Solution

The fourth proportional to 980,892,252.09, 1,469,885,379.08 and 807,248,432.43 is: 1,209,676,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,892,252.09 : 1,469,885,379.08 = 807,248,432.43 : x
  2. Step 2: Convert to fraction form
    980,892,252.09/1,469,885,379.08 = 807,248,432.43/x
  3. Step 3: Cross multiply
    980,892,252.09x = 1,469,885,379.08 × 807,248,432.43
  4. Step 4: Simplify right side
    980,892,252.09x = 1,186,562,668,110,070,016
  5. Step 5: Solve for x
    x = 1,186,562,668,110,070,016/980,892,252.09
  6. Step 6: Final answer
    x = 1,209,676,868.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.